147521066915429 has 4 divisors (see below), whose sum is σ = 149722873884384. Its totient is φ = 145319259946476.

The previous prime is 147521066915407. The next prime is 147521066915449. The reversal of 147521066915429 is 924519660125741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147521066915429 - 2²⁴ = 147521050138213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147521066915449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100903484377 + ... + 1100903484510.

It is an arithmetic number, because the mean of its divisors is an integer number (37430718471096).

Almost surely, 2^{147521066915429} is an apocalyptic number.

It is an amenable number.

147521066915429 is a deficient number, since it is larger than the sum of its proper divisors (2201806968955).

147521066915429 is an equidigital number, since it uses as much as digits as its factorization.

147521066915429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201806968954.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 147521066915429 in words is "one hundred forty-seven trillion, five hundred twenty-one billion, sixty-six million, nine hundred fifteen thousand, four hundred twenty-nine".